New information has come to light in the case of of the murder at Warwick's Manor! Hidden Signs, the first card expansion for Mysterium, adds even more mystery and challenge to the investigation with 84 brand new cards. Suspects have been unveiled, locations revealed and new objects discovered, and the ghost has even more visions for the psychics to interpret. The combinations are endless, but the pressure remains to solve the case quickly so the ghost may rest in peace. Use your intuition to decipher new clues and find the truth in Mysterium: Hidden Signs! This product is an expansion: Mysterium base game required to play.